GOST 1652.9 1977 Edition, April 27, 1977 Copper-zinc alloys. Methods for the determination of sulphur
GOST 1652.8 1977 Edition, April 27, 1977 Copper-zinc alloys. Methods for the determination of arsenic
GOST 1652.6 1977 Edition, April 27, 1977 Copper-zinc alloys. Methods for the determination of antimony
GOST 1652.2 1977 Edition, April 27, 1977 Copper-zinc alloys. Methods for the determination of lead
GOST 22518.1 1977 Edition, May 10, 1977 Lead of high purity. Chemical spectral method for the determination of additions
GOST 22519.6 1977 Edition, May 10, 1977 Thallium. Method for the determination of lead and indium
GOST 21011.4 1977 Edition, May 10, 1977 High-voltage kenotrons. Test methods of electric strength
GOST 22517 1977 Edition, May 10, 1977 Hafnium iodide metal. Technical requirements
GOST 22519.1 1977 Edition, May 10, 1977 Thallium. Method for the determination of iron
GOST 22448 1977 Edition, March 28, 1977 Aircraft (helicopter) flight control systems. Terms and definitions
GOST 6818 1977 Edition, March 28, 1977 Spur and heligal grinding machines. Basic dimensions
GOST 8.240 1977 Edition, March 27, 1977 State system for ensuring the uniformity of measurements. Measuring transducers for pressure differences with unified current output signals of the SSI. Methods and means of verification